28397775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54091}}^1$

素因数の和:54111

約数の個数: 24

約数和(自身を含む): 53659264

約数和(自身を除く): 25261489

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54091, 162273, 270455, 378637, 811365, 1135911, 1352275, 1893185, 4056825, 5679555, 9465925, 28397775]

約数ペア:

[(1, 28397775), (3, 9465925), (5, 5679555), (7, 4056825), (15, 1893185), (21, 1352275), (25, 1135911), (35, 811365), (75, 378637), (105, 270455), (175, 162273), (525, 54091)]